Haslam, S.M.. <br/><br/>
River pollution : an ecological perspective /  
S.M. Haslam; illustrated by Y. Bower. 
 - New Delhi :   C B S Publishers and Distributors ,   1990(rep.1991). 
 - NULL :   ill. ;   23cm  1 CD .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label>8123900201  Rs. 595.00 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577.627  / BOW/R